Application: plasma-desktop (0.4)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed:
Firefox was still running, amarok and ktorrent were running in background (reduced to tray), when i wanted to reboot after installing the proprietary graphics driver (ATI)

The crash can be reproduced some of the time.

-- Backtrace:
Application: Plasma-Desktop-Umgebung (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f87f4db77a0 (LWP 1677))]

Thread 4 (Thread 0x7f87d8f27700 (LWP 1698)):
#0  0x00007f87f46aaf03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f87e908d104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f87e908d639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f87f18b9446 in QEventDispatcherGlib::processEvents (this=0x1fcfb80, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f87f188d882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f87f188dabc in QEventLoop::exec (this=0x7f87d8f26db0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f87f17a4924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007f87f186fc2f in QInotifyFileSystemWatcherEngine::run (this=0x1fbb470) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f87f17a7175 in QThreadPrivate::start (arg=0x1fbb470) at thread/qthread_unix.cpp:320
#9  0x00007f87e9990d8c in start_thread (arg=0x7f87d8f27700) at pthread_create.c:304
#10 0x00007f87f46b804d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f87ccb6d700 (LWP 1700)):
#0  0x00007f87e99933c4 in __pthread_mutex_lock (mutex=0x20dd118) at pthread_mutex_lock.c:61
#1  0x00007f87e908c0d3 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f87e908cf9d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f87e908d639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f87f18b9446 in QEventDispatcherGlib::processEvents (this=0x20d7fe0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f87f188d882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f87f188dabc in QEventLoop::exec (this=0x7f87ccb6cdb0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007f87f17a4924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#8  0x00007f87f186fc2f in QInotifyFileSystemWatcherEngine::run (this=0x20dc050) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f87f17a7175 in QThreadPrivate::start (arg=0x20dc050) at thread/qthread_unix.cpp:320
#10 0x00007f87e9990d8c in start_thread (arg=0x7f87ccb6d700) at pthread_create.c:304
#11 0x00007f87f46b804d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f87ca33f700 (LWP 1705)):
#0  0x00007f87f46aaf03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f87e908d104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f87e908d9f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f87cb456c44 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f87e90b43e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f87e9990d8c in start_thread (arg=0x7f87ca33f700) at pthread_create.c:304
#6  0x00007f87f46b804d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f87f4db77a0 (LWP 1677)):
[KCrash Handler]
#6  0x00007f87f24ed5df in QString (this=0x2b40075, group=0, state=0) at /usr/include/qt4/QtCore/qstring.h:728
#7  KIconEffect::fingerprint (this=0x2b40075, group=0, state=0) at ../../kdeui/icons/kiconeffect.cpp:169
#8  0x00007f87f24f2feb in KIconLoaderPrivate::makeCacheKey (this=<value optimized out>, name=..., group=KIconLoader::Desktop, overlays=..., size=24, state=0) at ../../kdeui/icons/kiconloader.cpp:782
#9  0x00007f87f24f9d03 in KIconLoader::loadIcon (this=0x21be5e0, _name=<value optimized out>, group=KIconLoader::Desktop, size=24, state=0, overlays=..., path_store=0x0, canReturnNull=false) at ../../kdeui/icons/kiconloader.cpp:1226
#10 0x00007f87f24f1c99 in KIconEngine::pixmap (this=<value optimized out>, size=..., mode=<value optimized out>, state=<value optimized out>) at ../../kdeui/icons/kiconengine.cpp:93
#11 0x00007f87f0cf8dd5 in QIcon::pixmap (this=<value optimized out>, size=<value optimized out>, mode=<value optimized out>, state=<value optimized out>) at image/qicon.cpp:676
#12 0x00007f87f429a099 in Plasma::IconWidgetPrivate::decoration (this=0x20a6690, option=<value optimized out>, useHoverEffect=false, usePressedEffect=false) at ../../plasma/widgets/iconwidget.cpp:812
#13 0x00007f87f429fe51 in Plasma::IconWidget::paint (this=0x26471a0, painter=0x7fff6fc45520, option=0x1bf4238, widget=<value optimized out>) at ../../plasma/widgets/iconwidget.cpp:1128
#14 0x00007f87dad303e9 in ?? () from /usr/lib/kde4/plasma_applet_systemtray.so
#15 0x00007f87f123f19d in _q_paintItem (item=<value optimized out>, painter=0x7fff6fc45520, option=0x1bf4238, widget=0x0, useWindowOpacity=<value optimized out>, painterStateProtection=true) at graphicsview/qgraphicsscene.cpp:4314
#16 0x00007f87f123f4b0 in _q_paintIntoCache (pix=0x7fff6fc45a50, item=0x26471b0, pixmapExposed=..., itemToPixmap=..., renderHints=..., option=0x1bf4238, painterStateProtection=true) at graphicsview/qgraphicsscene.cpp:4352
#17 0x00007f87f1252ce8 in QGraphicsScenePrivate::drawItemHelper (this=0x1bf4010, item=0x26471b0, painter=0x7fff6fc47a60, option=0x1bf4238, widget=<value optimized out>, painterStateProtection=true) at graphicsview/qgraphicsscene.cpp:4690
#18 0x00007f87f12538ba in QGraphicsScenePrivate::draw (this=0x1bf4010, item=0x26471b0, painter=0x7fff6fc47a60, viewTransform=0x7fff6fc477f0, transformPtr=0x7fff6fc46110, exposedRegion=0x2608590, widget=0x2522150, opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4962
#19 0x00007f87f1254565 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x1bf4010, item=0x26471b0, painter=0x7fff6fc47a60, viewTransform=0x7fff6fc477f0, exposedRegion=0x2608590, widget=0x2522150, parentOpacity=<value optimized out>, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4853
#20 0x00007f87f1253730 in QGraphicsScenePrivate::draw (this=0x1bf4010, item=0x1d0fa40, painter=0x7fff6fc47a60, viewTransform=0x7fff6fc477f0, transformPtr=0x7fff6fc46710, exposedRegion=0x2608590, widget=0x2522150, opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4979
#21 0x00007f87f1254565 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x1bf4010, item=0x1d0fa40, painter=0x7fff6fc47a60, viewTransform=0x7fff6fc477f0, exposedRegion=0x2608590, widget=0x2522150, parentOpacity=<value optimized out>, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4853
#22 0x00007f87f1253730 in QGraphicsScenePrivate::draw (this=0x1bf4010, item=0x1d34670, painter=0x7fff6fc47a60, viewTransform=0x7fff6fc477f0, transformPtr=0x7fff6fc46d10, exposedRegion=0x2608590, widget=0x2522150, opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4979
#23 0x00007f87f1254565 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x1bf4010, item=0x1d34670, painter=0x7fff6fc47a60, viewTransform=0x7fff6fc477f0, exposedRegion=0x2608590, widget=0x2522150, parentOpacity=<value optimized out>, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4853
#24 0x00007f87f1253730 in QGraphicsScenePrivate::draw (this=0x1bf4010, item=0x1c19540, painter=0x7fff6fc47a60, viewTransform=0x7fff6fc477f0, transformPtr=0x7fff6fc47310, exposedRegion=0x2608590, widget=0x2522150, opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4979
#25 0x00007f87f1254565 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x1bf4010, item=0x1c19540, painter=0x7fff6fc47a60, viewTransform=0x7fff6fc477f0, exposedRegion=0x2608590, widget=0x2522150, parentOpacity=<value optimized out>, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4853
#26 0x00007f87f1254d94 in QGraphicsScenePrivate::drawItems (this=0x1bf4010, painter=0x7fff6fc47a60, viewTransform=0x7fff6fc477f0, exposedRegion=0x2608590, widget=0x2522150) at graphicsview/qgraphicsscene.cpp:4735
#27 0x00007f87f1271bd2 in QGraphicsView::paintEvent (this=<value optimized out>, event=<value optimized out>) at graphicsview/qgraphicsview.cpp:3469
#28 0x00007f87f0ca0c6a in QWidget::event (this=0x246a6c0, event=0x7fff6fc48380) at kernel/qwidget.cpp:8405
#29 0x00007f87f1050a66 in QFrame::event (this=0x246a6c0, e=0x7fff6fc48380) at widgets/qframe.cpp:557
#30 0x00007f87f1272e8b in QGraphicsView::viewportEvent (this=0x246a6c0, event=0x7fff6fc48380) at graphicsview/qgraphicsview.cpp:2864
#31 0x00007f87f188e627 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x2522150, event=0x7fff6fc48380) at kernel/qcoreapplication.cpp:846
#32 0x00007f87f0c4f9b1 in QApplicationPrivate::notify_helper (this=0x1aff700, receiver=0x2522150, e=0x7fff6fc48380) at kernel/qapplication.cpp:4458
#33 0x00007f87f0c543aa in QApplication::notify (this=<value optimized out>, receiver=0x2522150, e=0x7fff6fc48380) at kernel/qapplication.cpp:4341
#34 0x00007f87f2546866 in KApplication::notify (this=0x1ad2db0, receiver=0x2522150, event=0x7fff6fc48380) at ../../kdeui/kernel/kapplication.cpp:311
#35 0x00007f87f188e49c in QCoreApplication::notifyInternal (this=0x1ad2db0, receiver=0x2522150, event=0x7fff6fc48380) at kernel/qcoreapplication.cpp:731
#36 0x00007f87f0c9dabd in sendSpontaneousEvent (this=0x25269e0, pdev=0x2263518, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1f4b4e0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#37 QWidgetPrivate::drawWidget (this=0x25269e0, pdev=0x2263518, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1f4b4e0) at kernel/qwidget.cpp:5492
#38 0x00007f87f0c9e6d2 in QWidgetPrivate::paintSiblingsRecursive (this=0x2608100, pdev=0x2263518, siblings=..., index=<value optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1f4b4e0) at kernel/qwidget.cpp:5699
#39 0x00007f87f0c9e58a in QWidgetPrivate::paintSiblingsRecursive (this=0x2608100, pdev=0x2263518, siblings=..., index=4, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1f4b4e0) at kernel/qwidget.cpp:5686
#40 0x00007f87f0c9d7fc in QWidgetPrivate::drawWidget (this=0x2608100, pdev=0x2263518, rgn=..., offset=..., flags=<value optimized out>, sharedPainter=0x0, backingStore=0x1f4b4e0) at kernel/qwidget.cpp:5545
#41 0x00007f87f0e622fb in QWidgetBackingStore::sync (this=0x1f4b4e0) at painting/qbackingstore.cpp:1333
#42 0x00007f87f0c93f50 in QWidgetPrivate::syncBackingStore (this=0x2608100) at kernel/qwidget.cpp:1842
#43 0x00007f87f0ca1184 in QWidget::event (this=0x246a6c0, event=0x21be5e0) at kernel/qwidget.cpp:8552
#44 0x00007f87f1050a66 in QFrame::event (this=0x246a6c0, e=0x21be5e0) at widgets/qframe.cpp:557
#45 0x00007f87f10d21fb in QAbstractScrollArea::event (this=0x246a6c0, e=0x21be5e0) at widgets/qabstractscrollarea.cpp:996
#46 0x00007f87f49a9fe6 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#47 0x00007f87f0c4f9e4 in QApplicationPrivate::notify_helper (this=0x1aff700, receiver=0x246a6c0, e=0x21be5e0) at kernel/qapplication.cpp:4462
#48 0x00007f87f0c543aa in QApplication::notify (this=<value optimized out>, receiver=0x246a6c0, e=0x21be5e0) at kernel/qapplication.cpp:4341
#49 0x00007f87f2546866 in KApplication::notify (this=0x1ad2db0, receiver=0x246a6c0, event=0x21be5e0) at ../../kdeui/kernel/kapplication.cpp:311
#50 0x00007f87f188e49c in QCoreApplication::notifyInternal (this=0x1ad2db0, receiver=0x246a6c0, event=0x21be5e0) at kernel/qcoreapplication.cpp:731
#51 0x00007f87f1891c25 in sendEvent (receiver=0x246a6c0, event_type=77, data=0x1a82b60) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#52 QCoreApplicationPrivate::sendPostedEvents (receiver=0x246a6c0, event_type=77, data=0x1a82b60) at kernel/qcoreapplication.cpp:1372
#53 0x00007f87f124b88a in dispatchPendingUpdateRequests (this=0x1bf4010) at ../../include/QtGui/private/../../../src/gui/graphicsview/qgraphicsview_p.h:189
#54 QGraphicsScenePrivate::_q_processDirtyItems (this=0x1bf4010) at graphicsview/qgraphicsscene.cpp:510
#55 0x00007f87f124bcaa in QGraphicsScene::qt_metacall (this=0x1bf2950, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0x23f2610) at .moc/release-shared/moc_qgraphicsscene.cpp:130
#56 0x00007f87f41edb65 in Plasma::Corona::qt_metacall (this=0x1bf2950, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x23f2610) at ./corona.moc:109
#57 0x00007f87f499e065 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#58 0x00007f87f18a249a in QObject::event (this=0x1bf2950, e=<value optimized out>) at kernel/qobject.cpp:1226
#59 0x00007f87f125858b in QGraphicsScene::event (this=0x1bf2950, event=0x2b7bdb0) at graphicsview/qgraphicsscene.cpp:3544
#60 0x00007f87f0c4f9e4 in QApplicationPrivate::notify_helper (this=0x1aff700, receiver=0x1bf2950, e=0x2b7bdb0) at kernel/qapplication.cpp:4462
#61 0x00007f87f0c543aa in QApplication::notify (this=<value optimized out>, receiver=0x1bf2950, e=0x2b7bdb0) at kernel/qapplication.cpp:4341
#62 0x00007f87f2546866 in KApplication::notify (this=0x1ad2db0, receiver=0x1bf2950, event=0x2b7bdb0) at ../../kdeui/kernel/kapplication.cpp:311
#63 0x00007f87f188e49c in QCoreApplication::notifyInternal (this=0x1ad2db0, receiver=0x1bf2950, event=0x2b7bdb0) at kernel/qcoreapplication.cpp:731
#64 0x00007f87f1891c25 in sendEvent (receiver=0x0, event_type=0, data=0x1a82b60) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#65 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1a82b60) at kernel/qcoreapplication.cpp:1372
#66 0x00007f87f18b9253 in sendPostedEvents (s=0x1b02dc0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#67 postEventSourceDispatch (s=0x1b02dc0) at kernel/qeventdispatcher_glib.cpp:277
#68 0x00007f87e908cbcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#69 0x00007f87e908d3a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#70 0x00007f87e908d639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#71 0x00007f87f18b93ef in QEventDispatcherGlib::processEvents (this=0x1a82340, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#72 0x00007f87f0cf6dfe in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#73 0x00007f87f188d882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#74 0x00007f87f188dabc in QEventLoop::exec (this=0x7fff6fc4a4e0, flags=...) at kernel/qeventloop.cpp:201
#75 0x00007f87f1891ecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#76 0x00007f87f49a4897 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#77 0x00007f87f45f0eff in __libc_start_main (main=0x400740 <_start+256>, argc=1, ubp_av=0x7fff6fc4a8a8, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fff6fc4a898) at libc-start.c:226
#78 0x0000000000400669 in _start ()

Possible duplicates by query: bug 272328, bug 272315, bug 272202, bug 272090, bug 272068.

Reported using DrKonqi